Administratrix of



I06. COMPOSITIONS,

COATING OR PLASTIC.

UNITED STATES BARBRA DIRNBERGER, OF SYRACUSE, NEW YORK, ADMINISTRATRIX OF JOHN DIRNBERGER, DECEASED, SAME PLACE.

WALL-PLASTER.

SPECIFICATION forming part of Letters Patent No. 494,981, dated April 4, 1 893.

' Application filed July 11,1892. Serial No. 439,712. (No specimens.)

To all whom it may concern:

Be it known that I, BARBRA DIRN'BERGER, a citizen of the United States, residing in the city of Syracuse, county of Onondaga, and State of New York, administratrix of the estate of JOHN DIRNBERGER, a late citizen of Syracuse, New York, deceased, hereby assert that the said JOHN DIRNBERGER, deceased, did invent a new and useful Improvement in Composition for Wall-Plaster, of which the following is a specification.

The invention relates to quick setting wall plaster.

The objectis to produce aquick setting wall plaster, adapted to be used where it is desired to finish up quickly and without having to wait for the same to dry as is the case in common mortar wall plaster.

The invention consists in mixing and commingling the several ingredients hereinafter set forth in substantially the proportion specified, although not confined to these exact proportions, as it will be evident that they may be varied without materially departing from the spirit of the invention.

Fora batch of plaster containing about five hundred and eighty (580) pounds use the following ingredients. First take four hundred. pounds ofllgisdi g one hundred and twenty poun s o as or of aris and forty pounds of slaked lime. T his 18 called the base,

x I t l-,8 tress Reference e/,

PATENT OFFICE.

ASSIGNOR TO MICHAEL HEMMER, OF

which is first very thoroughly mixed together. To this is added what may be calledachemical, twenty pounds, the ingredients of said chemical being fully setforth in the application filed simultaneously herewith, and consisting of muriatic acid Glens Falls lime soluble lass and lue water. By Glens F a! Is llme 1S meant lime which is very pure, it containing about ninety-five per cent. lime, one per cent. magnesia and one per cent. silica. To this composition maybe added acelluloseof ve etable mat-' ter for the purpose of unpartlng a certain elasticlty to the wall plaster after it has been put on. When it is desired to use the plaster, it is mixed with water to a plastic condition and put on in the usual way.

Having described this invention, what is claimed is- The herein described wall plaster, clonsist- 50 in of sand, plaster of aris, slaket lime, iatifi mifieefiufieisless s w. and tissues of fiber, as set forth.

In witness whereof I have hereunto set my hand this 25th day of June, 1892.

BARBRA DIRNBERGER, Administratria: of the estate of John Di'rnberger, deceased.

Witnesses:

E. O. JOHNSON,

HOWARD P'. DENIsoN. 

